.a{
    width:1080px;
    height: 72px;
    background: blue;
    margin: 10px;


}

#a,#b{
    width:1080px;
    height: 72px;
    background: red;
    margin: 10px;

}

.b{
    width:1080px;
    height: 72px;
    background: yellow;
    margin: 10px;

}

.b a{
    color:red;
}

#b a{
    color: cyan;
}


/*.a td{*/
    /*color: aqua;*/
/*}*/


#s+a{
    color: white;
}

.lrc{
    text-align: center;


}

.lrc1{
    width: 200px;
    height: 200px;
    background-image: url("../img/lrc.jpg");
    background-size:cover;
    margin: 0 auto;

}

.lrc3{
    text-align: center;
    margin: 10px;
}

.br{
    width: 200px;
    height: 100px;
    border: 1px dashed royalblue;
    border-radius: 00px 00px 100px 100px;
}



p{
    margin: 0 auto;
    text-align: center;
}

.inline{
    display: inline;
    margin: 0 20px;
}

.left{
    float: left;
}

.right{
    float: right;
}